/*
 * Copyright 2009-2009 Tanesha Project. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 *    1. Redistributions of source code must retain the above copyright notice, 
 *    	 this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice,
 *    	 this list of conditions and the following disclaimer in the documentation 
 *    	 and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY EXPRESS OR 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 *  OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation are those 
 * of the authors and should not be interpreted as representing official policies, 
 * either expressed or implied, of the Tanesha Project.
 */
package com.google.api.chart;

import java.util.List;

import com.google.api.chart.encoding.JoinHelper;
import com.google.api.chart.encoding.SimpleURLEncoding;
import com.google.api.chart.features.ColorFeature;
import com.google.api.chart.features.FillFeature;
import com.google.api.chart.features.GoogleOMeterAndPieLabelsFeature;
import com.google.api.chart.features.LegendFeature;
import com.google.api.chart.features.ScalingFeature;
import com.google.api.chart.features.TitleFeature;


public final class PieChartMaker implements GoogleOMeterAndPieLabelsFeature<PieChartMaker>, ColorFeature<PieChartMaker>, FillFeature<PieChartMaker>, ScalingFeature<PieChartMaker>, TitleFeature<PieChartMaker>, LegendFeature<PieChartMaker>, ChartTypeMaker {
	private String layout = "p";
	private String chp = null;
	private String chl = null;

	private CommonFeatureHelper<PieChartMaker> common;

	protected PieChartMaker() {
		common = new CommonFeatureHelper<PieChartMaker>(this);
	}
	
	public PieChartMaker is3d() {
		this.layout = "p3";
		return this;
	}
	public PieChartMaker concentric() {
		this.layout = "pc";
		return this;
	}
	public PieChartMaker orientation(double radians) {
		this.chp = JoinHelper.doubleFormat(radians);
		return this;
	}
	
	public PieChartMaker label(String... labels) {
		this.chl = JoinHelper.join(JoinHelper.map(labels, String.class, SimpleURLEncoding.encodeList), "|");
		return this;
	}
	
	@Override
	public String toString() {
		return layout;
	}
	
	@Override
	public void fillParameters(List<String> parameters) {
		if (chl != null)
			parameters.add("chl=" + chl);
		if (chp != null)
			parameters.add("chp=" + chp);

		common.fillParameters(parameters);
	}
	
	@Override
	public PieChartMaker colors(ColorMaker... colors) {
		return common.colors(colors);
	}
	@Override
	public PieChartMaker fills(FillMaker... fills) {
		// validate that it is backgrounds only.
		for (FillMaker fill : fills) {
			if (fill instanceof LinearStripesFillMaker || fill instanceof LinearGradientFillMaker) {
				if (!fill.isBackground())
					throw new IllegalArgumentException("Pie charts only allows linear stripes/gradient fill for backgrounds!");
			}
		}
		return common.fills(fills);
	}
	@Override
	public PieChartMaker legend(ChartLegendMaker legend) {
		return common.legend(legend);
	}
	@Override
	public PieChartMaker legend(String... legends) {
		return common.legend(legends);
	}
	@Override
	public PieChartMaker scaling(ScalingMaker... scaling) {
		return common.scaling(scaling);
	}
	@Override
	public PieChartMaker title(String title) {
		return common.title(title);
	}
	@Override
	public PieChartMaker title(String title, ColorMaker color, int textSize) {
		return common.title(title, color, textSize);
	}
	@Override
	public PieChartMaker margins(MarginMaker margins) {
		return common.margins(margins);
	}
}
